ATE40652T1 - PROCESS FOR RECOVERING SULFUR DIOXIDE FROM GASES. - Google Patents
PROCESS FOR RECOVERING SULFUR DIOXIDE FROM GASES.Info
- Publication number
- ATE40652T1 ATE40652T1 AT86905446T AT86905446T ATE40652T1 AT E40652 T1 ATE40652 T1 AT E40652T1 AT 86905446 T AT86905446 T AT 86905446T AT 86905446 T AT86905446 T AT 86905446T AT E40652 T1 ATE40652 T1 AT E40652T1
- Authority
- AT
- Austria
- Prior art keywords
- gases
- sulfur dioxide
- recovering sulfur
- absorption solution
- solution
- Prior art date
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title 2
- 239000007789 gas Substances 0.000 title 1
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000008363 phosphate buffer Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/60—Isolation of sulfur dioxide from gases
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
SO2 containing gas is purified by means of an aqueous absorption solution, and SO2 is regenerated from this solution. There is used an absorption solution containing a phosphate buffer, and SO2 is removed from the absorption solution together with water by evaporation.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO853622 | 1985-09-16 | ||
PCT/NO1986/000064 WO1987001612A1 (en) | 1985-09-16 | 1986-09-16 | Process for the recovery of sulphur dioxide from gas flows |
EP86905446A EP0235243B1 (en) | 1985-09-16 | 1986-09-16 | Process for the recovery of sulphur dioxide from gas flows |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE40652T1 true ATE40652T1 (en) | 1989-02-15 |
Family
ID=19888479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT86905446T ATE40652T1 (en) | 1985-09-16 | 1986-09-16 | PROCESS FOR RECOVERING SULFUR DIOXIDE FROM GASES. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4948572A (en) |
EP (1) | EP0235243B1 (en) |
AT (1) | ATE40652T1 (en) |
AU (1) | AU6371386A (en) |
DD (1) | DD252978A5 (en) |
DE (1) | DE3662027D1 (en) |
PL (1) | PL261412A1 (en) |
WO (1) | WO1987001612A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO164218C (en) * | 1988-02-24 | 1990-09-12 | Sintef | PROCEDURE FOR CLEANING AFFICIENT BUFFER SOLUTIONS. |
US5785888A (en) * | 1995-03-24 | 1998-07-28 | Milmac Operating Company | Method for removal of sulfur dioxide |
US5851265A (en) * | 1996-09-03 | 1998-12-22 | Monsanto Company | Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents |
NO312131B1 (en) * | 2000-03-06 | 2002-03-25 | Olav Erga | Process for removing sodium sulfate from a phosphate solution |
EP3613413A1 (en) | 2011-12-05 | 2020-02-26 | Incept, LLC | Medical organogel processes and compositions |
CN104519979B (en) | 2012-05-02 | 2017-06-09 | Mecs公司 | The regeneration of pollutant is reclaimed in discharge gas |
CA3126768C (en) | 2013-03-15 | 2022-09-20 | Ernesto Vera-Castaneda | Regenerative recovery of contaminants from effluent gases |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2031802A (en) * | 1932-05-06 | 1936-02-25 | Ici Ltd | Recovery of sulphur dioxide from gas mixtures |
GB419068A (en) * | 1933-05-03 | 1934-11-05 | Arthur Maurice Clark | Improvements in or relating to the recovery of sulphur dioxide from gas mixtures |
US2142987A (en) * | 1935-12-24 | 1939-01-10 | Bacon | Recovery of sulphur dioxide from gases |
US3633339A (en) * | 1968-11-18 | 1972-01-11 | Freeport Minerals Co | Recovery of sulfur dioxide from a sulfur dioxide-containing aqueous ammonium phosphate solution |
US3911093A (en) * | 1971-10-18 | 1975-10-07 | Stauffer Chemical Co | Recovery of SO{HD 2 {B from waste gas emissions |
US3969492A (en) * | 1973-10-29 | 1976-07-13 | U.S. Filter Corporation | Recovery of elemental sulfur from sulfur dioxide bearing waste gases |
SE405109B (en) * | 1977-04-12 | 1978-11-20 | Svenska Flaektfabriken Ab | PROCEDURE FOR EXTRACTING CONCENTRATED SULFUR DIOXIDE FROM EXHAUST SULFUR DIOXIDE |
US4519994A (en) * | 1984-02-27 | 1985-05-28 | Stauffer Chemical Company | Process for absorption of SO2 into phosphate absorbent |
-
1986
- 1986-09-15 DD DD86294405A patent/DD252978A5/en not_active IP Right Cessation
- 1986-09-16 WO PCT/NO1986/000064 patent/WO1987001612A1/en active IP Right Grant
- 1986-09-16 PL PL1986261412A patent/PL261412A1/en unknown
- 1986-09-16 DE DE8686905446T patent/DE3662027D1/en not_active Expired
- 1986-09-16 AU AU63713/86A patent/AU6371386A/en not_active Abandoned
- 1986-09-16 EP EP86905446A patent/EP0235243B1/en not_active Expired
- 1986-09-16 AT AT86905446T patent/ATE40652T1/en not_active IP Right Cessation
-
1989
- 1989-01-31 US US07/305,105 patent/US4948572A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DD252978A5 (en) | 1988-01-06 |
US4948572A (en) | 1990-08-14 |
EP0235243B1 (en) | 1989-02-08 |
AU6371386A (en) | 1987-04-07 |
DE3662027D1 (en) | 1989-03-16 |
EP0235243A1 (en) | 1987-09-09 |
WO1987001612A1 (en) | 1987-03-26 |
PL261412A1 (en) | 1987-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |